package com.shketai.service;

import java.util.List;

import com.shketai.dao.AmountDao;
import com.shketai.entity.Classinfo;

public class AmountService {
	private AmountDao amountDao;
	
	public AmountDao getAmountDao() {
		return amountDao;
	}
	public void setAmountDao(AmountDao amountDao) {
		this.amountDao = amountDao;
	}
	//计算总收入金额
	public double findAllMoney(){
		return amountDao.findAllMoney();
	}
	//计算总退款金额
	public double findAllBackmoney(){
		return amountDao.findAllBackmoney();
		
	}
	
}
